This is the database we are going to work with.
+--------+---------+------------+----------------------------+------+------+--------+-------+-----------------------+
| emp_id | f_name | l_name | title | age | yos | salary | perks | email |
+--------+---------+------------+----------------------------+------+------+--------+-------+-----------------------+
| 1 | Manish | Sharma | CEO | 28 | 4 | 200000 | 50000 | manish@bignet.com |
| 2 | John | Hagan | Senior Programmer | 32 | 4 | 120000 | 25000 | john_hagan@bignet.com |
| 3 | Ganesh | Pillai | Senior Programmer | 32 | 4 | 110000 | 20000 | g_pillai@bignet.com |
| 4 | Anamika | Pandit | Web Designer | 27 | 3 | 90000 | 15000 | ana@bignet.com |
| 5 | Mary | Anchor | Web Designer | 26 | 2 | 85000 | 15000 | mary@bignet.com |
| 6 | Fred | Kruger | Programmer | 31 | 3 | 75000 | 15000 | fk@bignet.com |
| 7 | John | MacFarland | Programmer | 34 | 4 | 80000 | 16000 | john@bignet.com |
| 8 | Edward | Sakamuro | Programmer | 25 | 2 | 75000 | 14000 | eddie@bignet.com |
| 9 | Alok | Nanda | Programmer | 32 | 3 | 70000 | 10000 | alok@bignet.com |
| 10 | Hassan | Rajabi | Multimedia Programmer | 33 | 3 | 90000 | 15000 | hasan@bignet.com |
| 11 | Paul | Simon | Multimedia Programmer | 43 | 2 | 85000 | 12000 | ps@bignet.com |
| 12 | Arthur | Hoopla | Multimedia Programmer | 32 | 1 | 75000 | 15000 | arthur@bignet.com |
| 13 | Kim | Hunter | Senior Web Designer | 32 | 2 | 110000 | 20000 | kim@bignet.com |
| 14 | Roger | Lewis | System Administrator | 35 | 2 | 100000 | 13000 | roger@bignet.com |
| 15 | Danny | Gibson | System Administrator | 34 | 1 | 90000 | 12000 | danny@bignet.com |
| 16 | Mike | Harper | Senior Marketing Executive | 36 | 2 | 120000 | 28000 | mike@bignet.com |
| 17 | Monica | Sehgal | Marketing Executive | 30 | 3 | 90000 | 25000 | monica@bignet.com |
| 18 | Hal | Simlai | Marketing Executive | 27 | 2 | 70000 | 18000 | hal@bignet.com |
| 19 | Joseph | Irvine | Marketing Executive | 27 | 2 | 72000 | 18000 | joseph@bignet.com |
| 20 | Shahida | Ali | Customer Service Manager | 32 | 3 | 70000 | 9000 | shahida@bignet.com |
| 21 | Peter | Champion | Finance Manager | 36 | 4 | 120000 | 25000 | peter@bignet.com |
+--------+---------+------------+----------------------------+------+------+--------+-------+-----------------------+